Gurin Alena

Binary Puzzle Books For Adults: 200 Hard To Very Hard Puzzles 9x9 (Volume3)

Flower Sudoku: 200 Medium Puzzles (Volume 10) One Puzzle Per Page

Binary Puzzle Books For Adults: 200 Easy To Medium Puzzles 9x9 (Volume 1)

Battleship Puzzle Book For Adults: 200 Logic Puzzles 8x8 (Volume 1) Paperback By Alena Gurin

Medium Calcudoku Puzzles 6x6 Book For Adults: 200 Medium Calcudoku For Intermediate Players Paperback By Alena Gurin

Easy To Medium Calcudoku Puzzles 6x6 Book For Adults: 200 Puzzles At The Levels Of Easy To Medium Paperback By Alena Gurin

Battleship Puzzle Book For Adults.: 200 Hard To Very Hard Puzzles12x12 (Volume 3). Paperback By Alena Gurin

Medium To Hard Calcudoku Puzzles 6x6 Book For Adults

Hard To Very Hard Calcudoku Puzzles 6x6 Book For Adults

Hard Calcudoku Puzzles 6x6 Book For Adults